Registro IPv4
host: cloud-xip.io
class: IN
ttl: 300
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: cloud-xip.io
class: IN
ttl: 86400
type: SOA
mname: admin.cloud-xip.io
rname: ns1.cloud-xip.io
serial: 1665254019
refresh: 3600
retry: 10800
expire: 86400
minimum-ttl: 3600